21243650 is an even 8-digits composite number following 21243649
and preceding 21243651 . In scientific notation, it is written as 2.1243650 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 8470160 positive integers (up to 21243650) that are relatively prime to 21243650.
21243650 has 16 divisors, whose sum is 33246720
The reverse of 21243650 is 05634212
Previous prime number is 887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million two hundred forty-three thousand six hundred fifty
Scientific notation
2.1243650 × 10^7
Engineering notation
2.1243650 × 10^6
Prime Factorization
2 × 25 × 887 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21243650
Product of the distinct prime numbers
The prime factorization of 21243650 is 2 × 25 × 887 × 479.
Since it has a total of 4 prime factors.
2 , 2 , 21 , 1 , 366 , 655 , 3533 , 8599 , 46491 , 35161 , 938579 , 183918 , 9656459 , 2346680 , 51648530 , 81980552 , 268210911 , 697678744 , 154690119 , 358448923
n×2
42487300
n×3
63730950
n×4
84974600
n×5
106218250
n÷2
10621825
n÷3
7081216.6666667
n÷3
5310912.5
n÷5
4248730
n2
451292665322500
n3
9.5871034296783E+21
n4
2.0366506977389E+29
n5
4.326589459502E+36
2 √n
4609.0834229812
3 √n
276.95532041859
4 √n
67.89023068882
5 √n
29.204234533473
1 , 2 , 25 , 50 , 479 , 887 , 958 , 1774 , 11975 , 22175 , 23950 , 44350 , 424873 , 849746 , 10621825 , 21243650
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243650 can be divided by 16 positive divisors.
The sum of these divisors (counting 21243650) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010011100000010
3
Ternary
1110222021210212
4
Quaternary
1101002130002
5
Quinary
20414244100
6
Senary
2035154122
8
Octal
121023402
10
Decimal
21243650
12
Duodecimal
7145942
16
Hexadecimal
1442702
20
Vigesimal
6cf92a
36
Base36
cnbpe
md5
f6ae092919a16c06ccdc42f395ee0e8b
sha1
1c034b47c6203d8acd3970cef95d5b6aacc37d29
sha256
2700e162ab5e0164c197acad3cd4a5b8e624456d0aa4fc2b6ee58a365822cc56
sha512
8775955d1c40c1dac597a4c0bb8e987a92ae3cae05d867a82d9b7c4b94405e3c29ae33b6c5a2a92a3bf64b8ef66081d7b24aade71dd2d8fd54959fa8ed3d98bf
ripemd-160
15c9cb6cf285f3511c695d18788d727b752fc253
Diameter
42487300
Circumference
133477789.55087
Area
1.4177777219961E+15
Volume
4.0158364938511E+22
Surface area
5.6711108879845E+15
Circumference
133477789.55087
Perimeter
84974600
Area
451292665322500
Diagonal
30043057.944307
Surface area
2707755991935000
Volume
9.5871034296783E+21
Space diagonal
36795081.138211
Perimeter
63730950
Area
1.9541545635544E+14
Altitude
18397540.569105
Surface area
1.9541545635544E+14
Volume
1.1298509745104E+21
Height
10014352.648102